//2009/08/16 01:33:28
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <queue>
#include <sstream>
#include <algorithm>

using namespace std;

class Pronunciation
{
public:
    string canPronounce(vector <string> words)
    {
        for (int i=0; i<words.size(); i++)
            if (!check(words[i])) return words[i];
        return "";
    }
private:
    bool isvowel(char c)
    {
        return c=='a' || c=='e' ||c=='i' || c=='o' || c=='u' || c=='A' || c=='E' ||c=='I' || c=='O' || c=='U';
    }
    bool iscons(char s)
    {
        return !isvowel(s);
    }
    bool check(string s)
    {
        for (int i=0; i+1<s.size(); i++)
            if (tolower(s[i]) != tolower(s[i+1]) && isvowel(s[i]) && isvowel(s[i+1]))
                return false;
        for (int i=0; i+2<s.size(); i++)
            if (iscons(s[i]) && iscons(s[i+1]) && iscons(s[i+2]))
                return false;
        return true;
    }
};
